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Encephalitis induced by a canine distemper virus in squirrel monkeys
T Nagata1, F Ochikubo, Y Yoshikawa
1Laboratory Animal Research Center, University of Tokyo, Japan.
Journal of Medical Primatology
|January 1, 1990
Summary
Canine distemper virus (CDV) infection in squirrel monkeys caused viral encephalitis and epilepsy-like seizures. This study establishes a valuable animal model for studying these neurological conditions.
Area of Science:
- Veterinary Neurology
- Virology
- Neuroscience
Background:
- Canine distemper virus (CDV) is a pathogen known to cause severe neurological disease in various animal species.
- Understanding CDV's neuropathogenesis is crucial for developing effective treatments and preventative measures.
Purpose of the Study:
- To investigate the neurological effects of intracerebral CDV inoculation in squirrel monkeys.
- To evaluate the potential of CDV-infected squirrel monkeys as an animal model for viral encephalitis and epilepsy.
Main Methods:
- Squirrel monkeys were intracerebrally inoculated with CDV.
- Neurological signs were monitored, and electroencephalograms (EEGs) were recorded.
- Histopathological examination and immunohistochemical analysis were performed on brain tissues.
Main Results:
- Intracerebral CDV inoculation induced acute viral encephalitis with characteristic neurological signs.
- EEG recordings showed abnormal sharp waves and seizure discharges, mimicking epilepsy.
- Histopathology revealed inflammation, neuronal degeneration, and glial reactions, with viral antigen detected in neurons and ependymal cells.
Conclusions:
- CDV infection in squirrel monkeys results in significant neurological damage, including encephalitis and epilepsy-like activity.
- This model offers a promising platform for research into viral encephalitis and seizure disorders.
- Further studies can utilize this model to explore therapeutic interventions for CDV-induced neurological disease.